John Overdeck Two Sigma Investments
John Overdeck is a co-founder of Two Sigma Investments, one of the world’s leading quantitative and technology-driven investment firms. Two Sigma applies data science, machine learning, and large-scale computing to markets across asset classes. Overdeck’s firm is a central reference point in discussions of modern systematic investing.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$474M |
| 2 |
State Street Consumer Staples Select Sector SPDR ETF
XLP
|
+$357M |
| 3 |
Accenture
ACN
|
+$246M |
| 4 |
Advanced Micro Devices
AMD
|
+$235M |
| 5 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$231M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$381M |
| 2 |
State Street Technology Select Sector SPDR ETF
XLK
|
+$375M |
| 3 |
iShares Expanded Tech-Software Sector ETF
IGV
|
+$348M |
| 4 |
Thermo Fisher Scientific
TMO
|
+$292M |
| 5 |
Snowflake
SNOW
|
+$258M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 16.18% |
| 2 | Financials | 15.54% |
| 3 | Industrials | 10.5% |
| 4 | Healthcare | 9.8% |
| 5 | Consumer Discretionary | 8.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
976
Meritage Homes
MTH
$4.73B
| $8.69M | 0.01% |
119,942
-292,447
| -71% | -$21.7M |
|
977
Stewart Information Services
STC
$2.13B
| $8.66M | 0.01% |
118,168
+77,844
| +193% | +$5.36M |
|
978
VF Corp
VFC
$5.63B
| $8.65M | 0.01% |
599,640
-997,801
| -62% | -$13.4M |
|
979
Sturm, Ruger & Co
RGR
$615M
| $8.65M | 0.01% |
198,936
+107,977
| +119% | +$3.89M |
|
|
TACH
980
Titan Acquisition Corp
TACH
$363M
| $8.64M | 0.01% |
854,110
| – | – |
|
981
AeroVironment
AVAV
$7.53B
| $8.6M | 0.01% |
+27,327
| New | +$7.07M |
|
982
Frontdoor
FTDR
$5.7B
| $8.6M | 0.01% |
+127,824
| New | +$7.78M |
|
983
CALL
Palantir
PLTR
$423B
| $8.57M | 0.01% |
+47,000
| New | +$7.62M |
|
984
PUT
Spectrum Brands
SPB
$2.03B
| $8.54M | 0.01% |
162,600
| – | – |
|
985
BioMarin Pharmaceuticals
BMRN
$12.6B
| $8.53M | 0.01% |
157,588
+9,992
| +7% | +$571K |
|
986
VanEck Junior Gold Miners ETF
GDXJ
$9.83B
| $8.53M | 0.01% |
86,166
-74,684
| -46% | -$5.74M |
|
987
Landstar System
LSTR
$6.11B
| $8.53M | 0.01% |
+69,615
| New | +$9.24M |
|
|
PENG
988
Penguin Solutions Inc
PENG
$2.6B
| $8.49M | 0.01% |
323,157
+41,503
| +15% | +$1.02M |
|
|
WENN
989
Wen Acquisition Corp
WENN
$389M
| $8.44M | 0.01% |
+833,694
| New | +$8.5M |
|
990
Oracle
ORCL
$410B
| $8.43M | 0.01% |
29,967
-193,182
| -87% | -$49.2M |
|
|
FAC
991
Factorial Energy Inc
FAC
$492M
| $8.41M | 0.01% |
836,973
| – | – |
|
|
QXO
992
QXO Inc
QXO
$13.9B
| $8.35M | 0.01% |
438,273
-432,044
| -50% | -$8.95M |
|
993
WisdomTree Trust WisdomTree US Quality Dividend Growth Fund
DGRW
$17.2B
| $8.33M | 0.01% |
93,600
-192,500
| -67% | -$16.7M |
|
|
TACO
994
Berto Acquisition Corp
TACO
$393M
| $8.31M | 0.01% |
799,248
| – | – |
|
995
Sonic Automotive
SAH
$2.38B
| $8.3M | 0.01% |
109,128
-29,230
| -21% | -$2.33M |
|
|
TPH
996
DELISTED
Tri Pointe Homes
TPH
| $8.27M | 0.01% |
243,458
-337,629
| -58% | -$11.5M |
|
997
Utz Brands
UTZ
$1.26B
| $8.22M | 0.01% |
676,771
+38,569
| +6% | +$511K |
|
998
Main Street Capital
MAIN
$5.51B
| $8.2M | 0.01% |
128,975
-31,924
| -20% | -$2.06M |
|
|
TLNCU
999
Talon Capital Corp Units
TLNCU
| $8.2M | 0.01% |
+815,625
| New | +$8.18M |
|
1000
Evercore
EVR
$11.2B
| $8.18M | 0.01% |
24,241
+14,994
| +162% | +$4.7M |
|
Similar funds
John Overdeck's Q3 2025 Portfolio in Review
As of Q3 2025, John Overdeck held 4,027 positions worth $67.2B, up 19% from $56.5B the previous quarter. Its ten largest holdings account for 6.2% of the portfolio.
John Overdeck deployed $4.46B of net new capital in Q3 2025, opening 877 new positions and adding to 1,461 existing holdings. Its largest new stake was Berkshire Hathaway Class B: 379,096 shares worth $191M.
By sector, the portfolio is most concentrated in Technology at 16% of assets, down from 17% a quarter earlier, followed by Financials and Industrials.
On the sell side, the largest reduction was Invesco QQQ Trust, an estimated $381M trimmed.
- John Overdeck's largest Q3 2025 buy was Berkshire Hathaway Class B: 379,096 shares worth $191M.
- John Overdeck added most to State Street Financial Select Sector SPDR ETF in Q3 2025, an estimated $474M increase.
- John Overdeck's biggest Q3 2025 reduction was Invesco QQQ Trust, cutting an estimated $381M.
- John Overdeck fully exited NextEra Energy, Inc. 6.926% Corporate Units in Q3 2025, selling an estimated $115M.
- John Overdeck's ten largest holdings make up 6.2% of its $67.2B portfolio in Q3 2025.
- John Overdeck opened 877 new positions and closed 399 in Q3 2025.
- John Overdeck's portfolio value rose 19% quarter-over-quarter to $67.2B.
Based on Two Sigma Investments's 13F filing for Q3 2025, filed 14 Nov 2025.